poly·​ole·​fin ˌpä-lē-ˈō-lə-fən How to pronounce polyolefin (audio)
: a polymer of an alkene (such as polyethylene)

Examples of polyolefin in a Sentence

Recent Examples on the Web Sleek Alpolic aluminum composite sheets hang from the outer edges of the thermoplastic polyolefin roof. oregonlive, 7 Feb. 2023 Chung worked with a cheap, plasticlike compound called a polyolefin, a long-chain molecule. David H Freedman, Discover Magazine, 26 June 2012 Borealis is the world’s sixth-biggest maker of polyolefins - plastics made from oil - and had net income of 872 million euros ($984 million) on 8.1 billion euros of revenue last year. Boris Groendahl, Bloomberg.com, 5 May 2020 Taking over the maker of polyolefins, base chemicals, and fertilizer would accelerate Chief Executive Office Rainer Seele’s move toward higher-value, lower-emission oil products. Boris Groendahl, Bloomberg.com, 5 May 2020 The primary material in many tampon applicators is a malleable plastic called polyolefin, while the absorbent core is typically made from a blend of cotton and/or rayon, and strings can be a mix of cotton, polyester, rayon, and more plastic. Gabi Thorne, Allure, 27 Nov. 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'polyolefin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1930, in the meaning defined above

Time Traveler
The first known use of polyolefin was in 1930

Dictionary Entries Near polyolefin

Cite this Entry

“Polyolefin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyolefin. Accessed 23 Sep. 2023.

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